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公开(公告)号：US20080317461A1
公开(公告)日：2008-12-25
申请号：US12081780
申请日：2008-04-21
IPC分类号： H04B10/00
CPC分类号： H04B10/03 , H04B10/0771 , H04B2210/074 , H04B2210/075 , H04B2210/077 , H04B2210/078 , H04B2210/08
摘要： The present invention provides an automatic power restoring method capable of reliably detecting continuity by the dissolution of a line fault, to restore the optical power, even in a structure including an optical amplification medium on an optical transmission path and an optical communication system using the method. To this end, in an optical communication system to which the automatic power restoring method of the invention is applied, a pilot signal having a low transmission rate, a wavelength of which is set based on loss wavelength characteristics obtained by combining loss wavelength characteristics of an optical fiber used for the optical transmission path and loss wavelength characteristics of the optical amplification medium on the optical transmission path, is transmitted and received between an optical transmitting station and an optical receiving station when a line fault occurs, and a detection of continuity is thus performed. According to the result of the continuity detection, the power state at the occurrence of line fault is automatically restored to the power state at a time of normal operation.
摘要翻译： 本发明提供了一种自动电力恢复方法，即使在包括光传输路径上的光放大介质的结构和使用该方法的光通信系统中，也能够可靠地检测线路故障的溶解，恢复光功率的连续性 。 为此，在应用本发明的自动电力恢复方法的光通信系统中，具有低传输速率的导频信号，其波长是基于通过组合丢失波长特性而获得的损耗波长特性来设置的 用于光传输路径的光纤和光传输路径上的光放大介质的损耗波长特性在线路故障发生时在光发送站和光接收站之间被发送和接收，因此连续性的检测因此 执行。 根据连续性检测的结果，发生线路故障时的电源状态在正常运行时自动恢复到电源状态。
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32.发明授权Method, device, and system for evaluating characteristics of optical fiber transmission line 失效用于评估光纤传输线特性的方法，装置和系统公开(公告)号：US06452721B2
公开(公告)日：2002-09-17
申请号：US09769522
申请日：2001-01-26
IPC分类号： H04B1012
CPC分类号： H01S3/302 , H01S3/0014
摘要： An optical amplifier including a pumping source for supplying pump light to an optical fiber transmission line is provided so that at least a part of the optical fiber transmission line produces Raman amplification to an optical signal. An optical filter unit for selectively switching between a first condition where the optical signal and the pump light are passed and a second condition where the optical signal is passed and the pump light is not passed is connected between the optical fiber transmission line and the optical amplifier. The power of the optical signal in the first condition is compared with that in the second condition, and the characteristics of the optical fiber transmission line, such as a splice loss therein, is evaluated according to the result of this comparison. In the second condition, the residual pump light is not supplied to the optical fiber transmission line, so that a measurement error due to Raman amplification can be eliminated to thereby allow accurate evaluation of the characteristics of the optical fiber transmission line.
摘要翻译： 提供了包括用于向光纤传输线提供泵浦光的泵浦源的光放大器，使得光纤传输线的至少一部分向光信号产生拉曼放大。 在光纤传输线和光放大器之间连接有用于选择性地切换光信号与泵浦光通过的第一状态和光信号通过的第二状态和泵浦光不通过的滤光单元 。 将第一条件下的光信号的功率与第二条件中的光信号的功率进行比较，根据该比较的结果来评价光纤传输线的特性，例如其中的接合损耗。 在第二条件下，不向光纤传输线提供残余泵浦光，从而可以消除由于拉曼放大引起的测量误差，从而可以准确地评估光纤传输线的特性。
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公开(公告)号：US06288683B1
公开(公告)日：2001-09-11
申请号：US09530395
申请日：2000-09-27
申请人： Hiroyuki Deguchi , Norio Miyahara , Shuji Urasaki , Soichi Matsumoto , Masato Ishiguro , Tomohiro Mizuno , Shigeru Makino
发明人： Hiroyuki Deguchi , Norio Miyahara , Shuji Urasaki , Soichi Matsumoto , Masato Ishiguro , Tomohiro Mizuno , Shigeru Makino
IPC分类号： H01Q300
CPC分类号： H01Q15/14 , H01Q3/20 , H01Q19/18 , H01Q19/19 , H01Q19/191
摘要： An antenna mirror surface measuring/adjusting apparatus has a plane mirror larger than an aperture surface of said principal reflection mirror and set in parallel with the aperture surface, an actuator for driving a group of mirror surface panels of the principal reflection mirror, and a receiving electric field arithmetic processor for measuring, each time the actuator shifts a position of the mirror surface panel from an initial state of the mirror surface panel of the principal reflection mirror, radio wave signals of radio waves radiated by a transmitter/receiver and reflected back from the plane mirror, obtaining an aperture surface phase distribution in an initial state of the principal reflection mirror by executing an arithmetic process on these measured signals, then gaining configurations of the mirror surface on the basis of the aperture surface phase distribution, and adjusting the mirror surface by the actuator in accordance with the obtained mirror surface configurations. Accordingly, a measurement frequency is freely selected, and the measurement can be carried out in an ideal measurement environment of not being influenced by changes in wind, sunlight and temperature, whereby the mirror surface can be adjusted with high accuracy.
摘要翻译： 一种天线镜面测量/调节装置具有比所述主反射镜的孔径面大的平面镜，并与所述孔面平行设置，用于驱动所述主反射镜的一组镜面面板的致动器， 用于测量的电场运算处理器，每次致动器从主反射镜的镜面面板的初始状态移动镜面面板的位置时，由发射器/接收器辐射的无线电波的无线电波信号从 平面镜，通过对这些测量信号执行运算处理，在主反射镜的初始状态下获得孔径面相位分布，然后基于孔径面相位分布获得镜面的配置，并调整镜 根据获得的镜面构造由致动器表面。 因此，可以自由地选择测量频率，并且可以在不受风，太阳光和温度的变化影响的理想测量环境中进行测量，从而可以高精度地调整镜面。
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公开(公告)号：US5838476A
公开(公告)日：1998-11-17
申请号：US541788
申请日：1995-10-10
IPC分类号： H01S3/10 , H01S3/13 , H04B10/07 , H04B10/079 , H04B10/25 , H04B10/2507 , H04B10/293 , H04B10/02 , H04B10/00
CPC分类号： H04B10/2931 , H01S3/1301 , H04B10/077 , H04B10/07955 , H04B10/2912 , H01S3/10015
摘要： An input monitoring system is provided in an optical amplifying repeater to monitor a level of an optical input signal. A monitored level of the optical input signal is used to detect a fault on an optical transmission path or to control a bias current for a laser diode which emits and supplies an exciting signal for exciting an optical fiber amplifier. To accurately monitor a level of the optical input signal, the input monitoring system comprises an input terminal supplied with the optical input signal, an optical fiber amplifier for amplifying the optical input signal, a first photo diode for detecting and outputting an electric signal corresponding a level of the optical input signal, and an optical switch operatively connected to the input terminal, the optical fiber amplifier and first photo diode for switching the optical input signal alternatively into the optical fiber amplifier and the first photo diode.
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公开(公告)号：US5298917A
公开(公告)日：1994-03-29
申请号：US849220
申请日：1992-03-05
CPC分类号： H04N1/00543 , G03G21/1633 , G03G2221/1651 , G03G2221/1678 , G03G2221/1687
摘要： In a digital image forming apparatus, in which images of a document placed on a document table are read through scanning by a scanner unit and electrostatic latent images are formed on a photosensitive body in accordance with data as for the images of the document by a laser scanning unit (LSU) arranged under the scanner unit, the upper box body which accommodates the document table and the scanner unit can be easily opened upwards relative to the lower box body which accommodates the LSU, centering around a hinge unit provided at the back side thereof. In addition, the laser scanning unit is placed and positioned on a plurality of bar-like members which are in parallel to the drive axis center of the photosensitive body.
摘要翻译： 在数字图像形成装置中，其中放置在文件台上的文件的图像通过扫描器单元的扫描进行读取，并且静电潜像根据关于通过激光器的文件的图像的数据在感光体上形成 扫描单元（LSU），容纳文件台和扫描仪单元的上箱体相对于容纳LSU的下箱体容易向上打开，围绕设置在后侧的铰链单元 其中。 此外，激光扫描单元放置并定位在与感光体的驱动轴中心平行的多个棒状构件上。
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公开(公告)号：US4982242A
公开(公告)日：1991-01-01
申请号：US412145
申请日：1989-09-25
申请人： Yoshifumi Ishii , Masami Kai , Tetsuya Kagawa , Masashi Matsumoto , Hideki Kita , Hiroyuki Deguchi , Shoichi Kitagawa
发明人： Yoshifumi Ishii , Masami Kai , Tetsuya Kagawa , Masashi Matsumoto , Hideki Kita , Hiroyuki Deguchi , Shoichi Kitagawa
CPC分类号： G03G15/0126
摘要： A color image forming apparatus provided with a developing device for developing an electrostatic latent image formed on a latent image bearing member. The developing device comprises a plurality of developing units and supporting members for supporting the developing units thereon, and an arrangement is such that any developing units can be installed detachably on any supporting members each other. Then, the developing units have a developer supplying mechanism for feeding a developer each, and a supplemental developer container can be connected to each developer supplying mechanism. Then, the supplemental developer container is connected to one developing unit, and the developing unit provided with the supplemental developer is installed on a predetermined supporting member. The remaining developing units free from the supplemental developer container are then installed on the remaining supporting members. Accordingly, by connecting the supplemental developer container to a developing unit of the color to be consumed relatively more than the others and installing such developing unit on a predetermined supporting member, the developer of a desired color can be contained highly satisfactorily without constructing the color image forming apparatus entirely in a large size.
摘要翻译： 一种彩色图像形成装置，其具有用于显影形成在潜像承载部件上的静电潜像的显影装置。 显影装置包括多个显影单元和用于在其上支撑显影单元的支撑构件，并且布置使得任何显影单元可以可拆卸地安装在任何支撑构件上。 然后，显影单元具有用于供给每个显影剂的显影剂供给机构，并且补充显影剂容器可以连接到每个显影剂供应机构。 然后，补充显影剂容器连接到一个显影单元，并且设置有补充显影剂的显影单元安装在预定的支撑构件上。 然后将剩余的显影单元没有补充显影剂容器安装在剩余的支撑构件上。 因此，通过将补充显影剂容器连接到要被消耗的颜色的显影单元相对较多并且将这种显影单元安装在预定的支撑构件上，可以非常令人满意地包含所需颜色的显影剂，而不构成彩色图像 整个成型设备大体积大。
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公开(公告)号：US4856292A
公开(公告)日：1989-08-15
申请号：US136107
申请日：1987-12-21
CPC分类号： F25B41/04 , G05D16/0619 , Y10T137/7781 , Y10T137/86734 , Y10T137/86799
摘要： In the pressure control valve assembly according to the present invention, a plurality of communication passages or slits is formed in either the movable throttling plunger or its associated stationary seat portion, and such passages are so arranged that their effective communication area is variable with the plunger movement relative to the seat portion in the region where the plunger is positioned close to its full-throttling position, whereby throttling of the refrigerant gas in such a region is achieved through the effective communication area of these passages.
摘要翻译： 在根据本发明的压力控制阀组件中，多个连通通道或狭缝形成在可动节流柱塞或其相关联的固定座部分中，并且这样的通道被布置成使得它们的有效连通面积与柱塞 在柱塞位于其完全节流位置的区域中相对于座椅部分的运动，由此通过这些通道的有效连通区域来实现制冷剂气体在这种区域中的节流。
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